| 单词 |
resol |
| 释义 |
resol Chem.|ˈrɛzɒl|
Also -ole |-əʊl|.
[a. G. resol (H. Lebach 1909, in Zeitschr. f. angew. Chem. XXII. 1601), f. L. rēs-īna resin n. + -ol -ol.]
Any of the alcohol-soluble, usu. fluid resins formed as the first stage in phenol-aldehyde copolymerizations and often prepared as precondensates in the manufacture of plastic.
1913H. Lebach in Jrnl. Soc. Chem. Industry XXXII. 559/2 These initial stages of Bakelite have received various names... Four years ago I proposed to call the whole of this class ‘Resoles’. 1933Ibid. LII. 420t/2 Similar o-hydroxy-substituted substances are supposed to represent molecules of Bakelite A (resole). 1935C. Ellis Chem. Synthetic Resins I. xiv. 306 The resols, or initial products of alkaline condensation are mono- or poly-alcohols. 1956J. N. Anderson Appl. Dental Materials xxi. 260 The resin is in the ‘resole’ state and is modified by adding fillers and colouring matter. 1973Materials & Technol. VI. viii. 590 Resols used as starting materials have a very limited storage life owing to the presence of reactive groups. |
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